Update the custom objdump script to handle inline comments starting
with '--' or ';;'.
Load d8 code.asm file if present.
BUG=
Review-Url: https://codereview.chromium.org/2159103007
Cr-Commit-Position: refs/heads/master@{#37953}
Allows jitted code to be annotated in perf. To use:
1) Report generated code in code-(pid)-1.asm.
perf record -- d8 --print-code --redirect-code-traces script.js
2) Run perf report from the directory containing the above code file.
perf report --objdump=v8/tools/objdump-v8
This script supports generated code from both crankshaft or turbofan.
BUG=
Review-Url: https://codereview.chromium.org/2167553002
Cr-Commit-Position: refs/heads/master@{#37913}
